drm/imagination: Convert to use time_before macro

Use time_*() macros instead of using jiffies directly to handle overflow
issues.

Fixes: cc1aeedb98ad ("drm/imagination: Implement firmware infrastructure and META FW support")
Signed-off-by: Chen Yufan <chenyufan@vivo.com>
Reviewed-by: Matt Coster <matt.coster@imgtec.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823093925.9599-1-chenyufan@vivo.com
Signed-off-by: Matt Coster <matt.coster@imgtec.com>

diff --git a/drivers/gpu/drm/imagination/pvr_ccb.c b/drivers/gpu/drm/imagination/pvr_ccb.c
index 4deeac7..2bbdc05 100644 (file)
--- a/drivers/gpu/drm/imagination/pvr_ccb.c
+++ b/drivers/gpu/drm/imagination/pvr_ccb.c
@@ -321,7 +321,7 @@ static int pvr_kccb_reserve_slot_sync(struct pvr_device *pvr_dev)
        bool reserved = false;
        u32 retries = 0;
 
-       while ((jiffies - start_timestamp) < (u32)RESERVE_SLOT_TIMEOUT ||
+       while (time_before(jiffies, start_timestamp + RESERVE_SLOT_TIMEOUT) ||
               retries < RESERVE_SLOT_MIN_RETRIES) {
                reserved = pvr_kccb_try_reserve_slot(pvr_dev);
                if (reserved)